Finding the Fourth Proportional to 500,267.97, 690,374.21 and 296,330.49
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Solution
The fourth proportional to 500,267.97, 690,374.21 and 296,330.49 is: 408,938.69
Step by Step Solution
- Step 1: Write the proportion equation
500,267.97 : 690,374.21 = 296,330.49 : x - Step 2: Convert to fraction form
500,267.97/690,374.21 = 296,330.49/x - Step 3: Cross multiply
500,267.97x = 690,374.21 × 296,330.49 - Step 4: Simplify right side
500,267.97x = 204,578,926,451.01 - Step 5: Solve for x
x = 204,578,926,451.01/500,267.97 - Step 6: Final answer
x = 408,938.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.